2025-2026 CRF450R OEM Specs


Specification OEM Value
Engine Type 449cc Liquid-Cooled 4-Stroke Single Cylinder
Engine Configuration Unicam SOHC, 4-Valve
Displacement 449.7 cc
Bore x Stroke 96.0 mm x 62.1 mm
Compression Ratio 13.5:1
Starting System Electric Start
Fuel System Programmed Fuel Injection (PGM-FI)
Throttle Body 44 mm
Transmission 5-Speed Close-Ratio Manual
Clutch Hydraulic Wet Multi-Plate Clutch
Final Drive #520 Chain
Front Sprocket 13T
Rear Sprocket 49T
Frame Aluminum Twin-Tube Frame
Wheelbase 58.3 in (1,482 mm)
Rake 27.3°
Trail 4.5 in (115 mm)
Seat Height 37.8 in (961 mm)
Ground Clearance 13.1 in (333 mm)
Fuel Capacity 1.7 gal (6.3 L)
Weight (Ready to Ride) 249 lb (113 kg)
Battery Lithium-Ion
Front Suspension Showa 49 mm Coil Spring Fork
Front Fork Travel 12.2 in (310 mm)
Rear Suspension Showa Pro-Link Single Shock
Rear Wheel Travel 12.2 in (310 mm)
Front Fork Adjustments Compression & Rebound
Rear Shock Adjustments High-Speed Compression, Low-Speed Compression, Rebound & Preload
Front Fork Spring Rate 0.50 kg/mm
Shock Spring Rate 5.6 kg/mm
Front Wheel Size 21 x 1.60
Rear Wheel Size 19 x 2.15
Front Tire Size 80/100-21
Rear Tire Size 120/80-19
Front Brake 260 mm Hydraulic Disc / Twin-Piston Caliper
Rear Brake 240 mm Hydraulic Disc / Single-Piston Caliper
Brake Fluid DOT 4
Engine Oil Capacity (Oil Change) 0.85 L
Engine Oil Capacity (After Disassembly) 1.25 L
Coolant Capacity 1.3 L
Ignition System Full Transistorized Ignition
ECU System Honda PGM-FI
Launch Control HRC Launch Control
Traction Control Honda Selectable Torque Control (HSTC)
Engine Modes Selectable Engine Modes